2023 TOYOTA MIRAI inflation pressure

5089-1. Specifications
Owners Manual_USA_M62064_en
Bead separationA breakdown of the bond between compo-
nents in the bead
Bias ply tire
A pneumatic tire in which the ply cords that
extend to the beads are laid at alternate
angles substantially less than 90 degrees
to the centerline of the tread
Carcass
The tire structure, except tread and side-
wall rubber which, when inflated, bears the
load
ChunkingThe breaking away of pieces of the tread
or sidewall
CordThe strands forming the plies in the tire
Cord separationThe parting of cords from adjacent rubber
compounds
Cracking
Any parting within the tread, sidewall, or
innerliner of the ti re extending to cord
material
CT
A pneumatic tire with an inverted flange
tire and rim system in which the rim is
designed with rim flanges pointed radially
inward and the tire is designed to fit on the
underside of the rim in a manner that
encloses the rim flanges inside the air cav-
ity of the tire
Extra load tire
A tire designed to operate at higher loads
and at higher inflation pressures than the
corresponding standard tire
GrooveThe space between two adjacent tread ribs
Innerliner
The layer(s) forming the inside surface of a
tubeless tire that contains the inflating
medium within the tire
Innerliner separationThe parting of the innerliner from cord
material in the carcass
Tire related termMeaning

5099-1. Specifications
Owners Manual_USA_M62064_en
9
Vehicle specifications
Intended outboard sidewall
(a) The sidewall that c ontains a whitewall,
bears white lettering , or bears manufac-
turer, brand, and/or model name molding
that is higher or deeper than the same
molding on the other s idewall of the tire, or
(b) The outward facing sidewall of an
asymmetrical tire that has a particular side
that must always face outward when
mounted on a vehicle
Light truck (LT) tire
A tire designated by its manufacturer as
primarily intended for use on lightweight
trucks or multipurpose passenger vehicles
Load ratingThe maximum load that a tire is rated to
carry for a given inflation pressure
Maximum load ratingThe load rating for a tire at the maximum
permissible inflation pressure for that tire
Maximum permissible inflation
pressureThe maximum cold inf lation pressure to
which a tire may be inflated
Measuring rimThe rim on which a tire is fitted for physical
dimension requirements
Open splice
Any parting at any junction of tread, side-
wall, or innerliner that extends to cord
material
Outer diameterThe overall diameter of an inflated new tire
Overall width
The linear distance between the exteriors
of the sidewalls of an inflated tire, including
elevations due to labeling, decorations, or
protective bands or ribs
Passenger car tire
A tire intended for use on passenger cars,
multipurpose passenger vehicles, and
trucks, that have a gross vehicle weight
rating (GVWR) of 10,000 lb. or less.
PlyA layer of rubber-coated parallel cords
Ply separationA parting of rubber compound between
adjacent plies
Tire related termMeaning

5109-1. Specifications
Owners Manual_USA_M62064_en
Pneumatic tire
A mechanical device made of rubber,
chemicals, fabric and steel or other materi-
als, that, when mounted on an automotive
wheel, provides the tr action and contains
the gas or fluid that sustains the load
Radial ply tire
A pneumatic tire in which the ply cords that
extend to the beads are laid at substan-
tially 90 degrees to the centerline of the
tread
Reinforced tire
A tire designed to operate at higher loads
and at higher inflation pressures than the
corresponding standard tire
Section width
The linear distance between the exteriors
of the sidewalls of an i nflated tire, exclud-
ing elevations due to labeling, decoration,
or protective bands
SidewallThat portion of a tire between the tread
and bead
Sidewall separationThe parting of the rubber compound from
the cord material in the sidewall
Snow tire
A tire that attains a t raction index equal to
or greater than 110, compared to the
ASTM E-1136 Standard Reference Test
Tire, when using the snow traction test as
described in ASTM F-1805-00, Standard
Test Method for Single Wheel Driving Trac-
tion in a Straight Line on Snow-and Ice-
Covered Surfaces, and which is marked
with an Alpine Symbol ( ) on at least
one sidewall
Test rim
The rim on which a tire is fitted for testing,
and may be any rim lis ted as appropriate
for use with that tire
TreadThat portion of a tire that comes into con-
tact with the road
Tire related termMeaning

5269-3. Initialization
Owners Manual_USA_M62064_en
9-3.Initialization
Items to initialize
The following items must be initialized for normal system
operation after such cases as the 12-volt battery being recon-
nected, or maintenance being performed on the vehicle:
List of items to initialize
ItemWhen to initializeReference
Tire pressure warn-
ing system
• When the tire inflation pressure is changed, such as when
changing traveling speed or load
weight.
• When the tire inflation pressure is changed, such as when the
tire size is changed.
• When rotating the tires.
• After performing the transmitter
ID code registration procedure.
P.420

550Alphabetical Index
Owners Manual_USA_M62064_en
M
Maintenance Do-it-yourself maintenance .. 404
General maintenance ........... 401
Maintenance data................. 496
Maintenance requirements... 400
Menu icons ............................. 107
Meter Clock .............................. 99, 102
Driving range .................. 99, 102
Indicators................................ 97
Instrument panel light control................................... 100, 104
Meter control switches ......... 106
Meters ............................ 99, 102
Multi-information display ...... 105
Settings ................................ 111
Warning lights................. 95, 454
Warning message ................ 464
Meter control switches .......... 106
Mirrors Digital Rear-view Mirror........ 150
Inside rear view mirror.......... 149
Outside rear view mirror defog-gers ............................ 335, 342
Outside rear view mirrors ..... 160
Vanity mirrors ....................... 380
Multi-information display....... 105 Air purification screen........... 119
Audio system-linked display . 111
Changing the display............ 106
Consumption screen ............ 119
Driving information display ... 107
Driving support system informa-tion display ......................... 110
Dynamic radar cruise control with full-speed range .......... 244
ECO Accelerator Guidance .. 108
Eco score ............................. 108
Energy monitor ..................... 119
Fuel cell System Indicator .... 108 Fuel economy .......................107
LTA (Lane Tracing Assist) .....236
Menu icons ...........................107
Meter control switches..........106
Navigation system-linked display
........................................... 110
Settings ................................ 111
Suggestion function .............. 112
Tire inflation pressure ........... 111
Tire pressure ...... ..................418
Vehicle information display ... 111
Warning message.................464
N
Navigation system-linked display ....................................... 110, 114
O
Odometer.........................100, 104
Odometer and trip meter display Display change button ..100, 104
Display items ................100, 104
Opener Fuel door ..............................210
Hood .....................................406
Trunk ....................................133
Outer foot lights......................355
Outside rear view mirrors Adjustment ...........................160
BSM (Blind Spot M onitor) .....256
Folding..................................161
Mirror position me mory.........142
Outside rear view mirror defog- gers ............................335, 342
RCTA (Rear Cross Traffic Alert) ...........................................272
Outside temperature ........99, 102
Overheating.............................490

Owners Manual_USA_M62064_en
Alphabetical Index555
Theft deterrent systemAlarm ...................................... 71
Immobilizer system ................ 70
Tire inflation pre ssure............ 428
Maintenance data................. 501
Tire inflation pressure display function............................... 418
Warning light ........................ 460
Tire information ...................... 502 Glossary ............................... 506
Size ...................................... 504
Tire identification number ..... 503
Uniform Tire Quality Grading 504
Tire pressure display ............. 418
Tire pressure warning system ............................................... 418Function ............................... 418
Initializing ............................. 420
Installing tire pressure warning valves and transmitters ...... 419
Registering ID codes ............ 422
Warning light ........................ 460
Tires ......................................... 416 Chains .................................. 329
Checking .............................. 416
Emergency tire puncture repair kit........................................ 467
If you have a flat tire ............. 467
Inflation pressure.................. 428
Information ........................... 502
Replacing ............................. 424
Rotating tires ........................ 418
Size ...................................... 501
Snow tires ............................ 327
Tire inflation pressure display function............................... 418
Tire pressure warning system ........................................... 418
Warning light ........................ 460
Tools ........................................ 469
Top tether strap ........................ 62 Total load capacit
y .................496
To w i n g Dinghy towing .......................179
Emergency towing ................449
Towing eyelet........................451
Trailer towing ...... ..................179
Toyota Safety Sense 2.5 +......214 AHB (Automatic High Beam) 200
Dynamic radar cruise control with full-speed range ..........244
LTA (Lane Tracing Assist) .....230
PCS (Pre-Collisio n System) .219
RSA (Road Sign Assist) ........241
Toyota Teammate Advanced Park ........................................293Memory function ................... 311
Parallel exiting fu nction ........309
Parallel parking function .......306
Perpendicular ex iting (forward/
reverse) function.................304
Perpendicular parking (forward/ reverse) function.................301
TRAC (Traction Control) ........322
Traction battery.........................81 Charging .................................78
Location ..................................81
Specification .........................498
Traction battery air intake vents.............................................90
Traction battery air intake vents .........................................90, 433
Traction Control (TRAC) ........322
Traction motor (electric motor)76
Trailer towing ..........................179
Trip meters ......................100, 104
Trunk ........................................132 Internal trunk rele ase lever ...134
Smart key system .................133
Trunk easy closer .................134
Trunk features ......................361

572
Owners Manual_USA_M62064_en
HYDROGEN STATION INFORMATION
Auxiliary catch lever (P.406)
Trunk opener ( P.133)
Fuel door ( P.212)
Fuel door opener ( P.212)
Hood lock release lever ( P.406)
Tire inflation pressure ( P.501)
Hydrogen tanks’
fuel capacityP.497
Fuel typeCompressed hydrogen gasP.497
Cold tire inflation
pressureP.501